<template>
	<div class="login">
		<vue-particles class="login-bg" color='#39AFFD' :particleOpacity="0.7" :particlesNumber="100" shapeType="circle"
			:particleSize="4" linesColor="#8DD1FE" :linesWidth="1" :lineLinked="true" :lineOpacity="0.4"
			:linesDistance="150" :moveSpeed="3" :hoverEffect="true" hoverMode="grab" :clickEffect="true"
			clickMode="push">
		</vue-particles>
		<!-- 登录面板 -->
		<div class="login-box">
			<div class="login-box-title">
				后台管理系统
			</div>
			<div class="login-box-from">
				<el-form :model="loginForm" :rules="rules" ref="loginForm" class="demo-ruleForm">
					<el-form-item prop="username">
						<el-input v-model="loginForm.username" placeholder="请输入用户名" size="medium">
							<el-button slot="prepend" icon="el-icon-user"></el-button>
						</el-input>
					</el-form-item>
					<el-form-item prop="password">
						<el-input type="password"  v-model="loginForm.password" placeholder="请输入密码" size="medium">
							<el-button slot="prepend" icon="el-icon-key"></el-button>
						</el-input>
					</el-form-item>
					<el-form-item>
						<el-button type="primary" size="medium"  style="width:100%"
							@click="submitForm('loginForm')">立即登陆</el-button>
					</el-form-item>
				</el-form>
			</div>
		</div>

	</div>

</template>

<script>
	export default {
		data() {
			let letterRule = (rule, value, callback) => {
				let reg = /^[a-zA-Z0-9_-]{2,18}$/
				if (value === '') {
					callback(new Error('输入内容不能为空'));
				} else if (!reg.test(value)) {
					callback(new Error('请输入字母、数字、下划线'));
				} else {
					callback();
				}
			};
			return {
				loading: false, //登陆状态
				loginForm: { // 登陆表单
					username: null,
					password: null
				},
				rules: { //登陆验证规则
					username: [{
							required: true,
							message: '请输入用户名',
							trigger: 'blur'
						},
						{
							min: 2,
							max: 18,
							message: '长度在 2 到 18 个字符',
							trigger: 'blur'
						},
						{
							validator: letterRule,
							trigger: 'blur'
						}
					],
					password: [{
							required: true,
							message: '请输入密码',
							trigger: 'blur'
						},
						{
							min: 3,
							max: 16,
							message: '长度在 3 到 16 个字符',
							trigger: 'blur'
						},
						{
							validator: letterRule,
							trigger: 'blur'
						}
					]
				}
			}
		},
		methods: {
			submitForm(formName) {
				this.$refs[formName].validate((valid) => {
					if (valid) {
						this.loading = true
						this.login()
					} else {
						// console.log('error submit!!');
						return false;
					}
				});
			},
			login() {
				this.$store
				let params = new URLSearchParams();
				params.append('username', this.loginForm.username);
				params.append('password', this.loginForm.password);

				this.$http.post("/login", params).then(resp => {
					if (resp.data.code == 200) {
						localStorage.setItem("com.woniu-account", JSON.stringify(resp.data.data));
						this.$router.push("/main/Welcome")
					} else {
						this.$message({
							type: 'error',
							message: '登录失败'+resp.data.msg
						});
					}
					// localStorage.setItem("com.woniu-account", JSON.stringify(account));
					// this.$router.push("/main/Welcome")
				}).catch(err => {
					this.loading = true
					// console.log(err)
				})
			}
		}
	}
</script>

<style scoped>
	.login {
		width: 100%;
		height: 100%;
		/* display: flex;
    justify-content: center;
    align-items: center;
    background-image: url('../../assets/image/login.jpg');
    background-repeat: no-repeat;
    background-size: 100% 100%;
    color: #cccccc; */
		position: relative;
	}

	.login-bg {
		width: 100%;
		height: 100%;
		background: #3E3E3E;
	}

	.login-box {
		width: 350px;
		/* height: 287px; */
		background: hsla(0, 0%, 100%, .3);
		border-radius: 5px;
		box-shadow: 0 0 2px #f7f7f7;
		border: 1px solid #f7f7f7;
		position: absolute;
		left: 50%;
		top: 50%;
		margin-left: -175px;
		margin-top: -150px;

	}

	.login-box-title {
		line-height: 50px;
		font-size: 20px;
		color: #ffffff;
		text-align: center;
		border-bottom: 1px solid #ffffff;
	}

	.login-box-from {
		width: 100%;
		height: auto;
		padding: 30px;
		box-sizing: border-box;
	}
</style>
